【COMPATIBILITY】 Works with standard 2 Inch(55mm - 85mm) 2 piece toilet tank hole flush valves. Including American Standard, Aquasource, Crane, Eljer, Ferguson, Gerber, Glacier Bay, Jacuzzi, Mansfield, Pegasus, TOTO and many more. Not compatible with one piece toilets. 【ELIMINATES TOILET LEAKS】Eliminates common leaky toilet problems due to a worn-out valve and gasket, this set also includes tank to bowl bolts and gasket for a complete repair, saves water and stops leaks at the drain. 【CONVENIENT VALVE DESIGN】 Easy adjustable overflow tube can cutting for your need specifications. Packing includes: (1) Toilet tank flush valve (1) Toilet Tank Bolts (3) 3 inch Tank-to-bowl gasket. 【EASY TO INSTALL】This products designed to be easy to install. We know you have better things to do than work on your toilet, so our products are designed for quick installations. 【BUILT TO LAST】 Constructed of durable plastic and the Perma fit silicone seal is chemical resistant and will not warp. Specification: Brand name: VALLVATER Material: ABS, Plastic, Rubber ‎Item weight:9.8ounces Feature: Only suitable for split toilet tank diameter with :2″(55mm - 85mm). Improve your experience and save water; easy installation; please check the dimensions carefully. Package including: ** Toilet tank flush valve ** Toilet Tank Bolts ** 2 inch Tank-to-bowl gasket.